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7010 Aluminum vs. ACI-ASTM CG6MMN Steel

7010 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CG6MMN steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 7010 aluminum and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.9 to 6.8
34
Fatigue Strength, MPa 160 to 190
260
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 520 to 590
670
Tensile Strength: Yield (Proof), MPa 410 to 540
320

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Maximum Temperature: Mechanical, °C 200
1080
Melting Completion (Liquidus), °C 630
1420
Melting Onset (Solidus), °C 480
1380
Specific Heat Capacity, J/kg-K 860
480
Thermal Expansion, µm/m-K 24
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
22
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.3
4.8
Embodied Energy, MJ/kg 150
68
Embodied Water, L/kg 1120
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 47 to 54
24
Strength to Weight: Bending, points 47 to 52
22
Thermal Shock Resistance, points 22 to 26
14

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0 to 0.050
20.5 to 23.5
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 0 to 0.15
51.9 to 62.1
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0 to 0.050
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.12
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0 to 0.15
0